39744880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10139}}^1$

素因数の和:10166

約数の個数: 60

約数和(自身を含む): 107504280

約数和(自身を除く): 67759400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 10139, 20278, 40556, 50695, 70973, 81112, 101390, 141946, 162224, 202780, 283892, 354865, 405560, 496811, 567784, 709730, 811120, 993622, 1135568, 1419460, 1987244, 2484055, 2838920, 3974488, 4968110, 5677840, 7948976, 9936220, 19872440, 39744880]

約数ペア:

[(1, 39744880), (2, 19872440), (4, 9936220), (5, 7948976), (7, 5677840), (8, 4968110), (10, 3974488), (14, 2838920), (16, 2484055), (20, 1987244), (28, 1419460), (35, 1135568), (40, 993622), (49, 811120), (56, 709730), (70, 567784), (80, 496811), (98, 405560), (112, 354865), (140, 283892), (196, 202780), (245, 162224), (280, 141946), (392, 101390), (490, 81112), (560, 70973), (784, 50695), (980, 40556), (1960, 20278), (3920, 10139)]